Question

Please solve this question thanks

Answer 1

∠ CBA = 67°

Explanation:

∠ BAD = 90° ( angle in a semicircle )

The sum of the 3 angles in the triangle = 180° , that is

∠ CBA + 90° + 23° = 180°

∠ CBA + 113° = 180° ( subtract 113° from both sides )

∠ CBA = 67°